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With the help of two examples name the map and reduce function purpose
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More MapReduce Interview Questions
What is Distributed Cache in the MapReduce Framework?
What counter in Hadoop MapReduce?
What happens when the node running the map task fails before the map output has been sent to the reducer?
What platform and Java version is required to run Hadoop?
What is streaming?
Which interface needs to be implemented to create Mapper and Reducer for the Hadoop?
How to set which framework would be used to run mapreduce program?
How does fault tolerance work in mapreduce?
What is the relation between MapReduce and Hive?
What do you understand by compute and storage nodes?
mapper or reducer?
Explain combiners.
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